--- title: "gemini-3.1-flash-image-preview - Model Details & Comparison" description: "gemini-3.1-flash-image-preview from Google Gemini: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.1-flash-image-preview" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.1-flash-image-preview.md" --- # gemini-3.1-flash-image-preview - Model Details & Comparison > gemini-3.1-flash-image-preview from Google Gemini: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About gemini-3.1-flash-image-preview gemini-3.1-flash-image-preview is an image generation model from Google Gemini, one of 7 image generation models they offer. It is priced at $0.25 per 1M input tokens and $1.50 per 1M output tokens, ranking 11 out of 43 image generation models by cost and cheaper than 72% of models in this category. gemini-3.1-flash-image-preview supports vision, web search, prompt caching, structured output — one of only 9 image generation models with this combination. Its 66K-token context window is in the top 31% among image generation models. ## Specifications - **Google Gemini Provider.** - **Image Generation Mode.** - **65,536 Max Input Tokens.** - **32,768 Max Output Tokens.** - **32,768 Max Tokens.** - **$0.25 / 1M tokens Input Price.** - **$1.50 / 1M tokens Output Price.** ## Capabilities gemini-3.1-flash-image-preview supports: Vision, Web Search, Prompt Caching, System Messages, Response Schema. ## gemini-3.1-flash-image-preview Pricing Overview At $0.25 per 1M input tokens and $1.50 per 1M output tokens, gemini-3.1-flash-image-preview ranks 11 out of 43 image generation models by input cost. It is more affordable compared to the median of $2.00 for image generation models, and is cheaper than 72% of models in this category. gemini-3.1-flash-image-preview is one of 7 Google Gemini image generation models, one of only 9 image generation models combining prompt caching, structured output, vision, web search. its 66K-token context window places it in the top 31% of image generation models. ## Models to Compare Alternatives to gemini-3.1-flash-image-preview with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gemini-2.5-flash-image | Vertex AI | $0.30 | $2.50 | | gemini-3.1-flash-image-preview | Vertex AI | $0.50 | $3.00 | | gemini-3-pro-image-preview | Vertex AI | $2.00 | $12.00 | | deep-research-pro-preview-12-2025 | Vertex AI | $2.00 | $12.00 | | gemini-2.5-flash-image | Google Gemini | $0.30 | $2.50 | - [Compare gemini-2.5-flash-image](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-image.md) - [Compare gemini-3.1-flash-image-preview](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3.1-flash-image-preview.md) - [Compare gemini-3-pro-image-preview](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-3-pro-image-preview.md) - [Compare deep-research-pro-preview-12-2025](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/deep-research-pro-preview-12-2025.md) - [Compare gemini-2.5-flash-image](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-image.md) ## Related Resources - [Calculate gemini-3.1-flash-image-preview costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/gemini/model/gemini-3.1-flash-image-preview.md) - [All Google Gemini pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/gemini.md) ## FAQ ### Is gemini-3.1-flash-image-preview cheaper than gemini-2.5-flash-image? Yes. gemini-3.1-flash-image-preview costs $0.25 per 1M input tokens compared to gemini-2.5-flash-image's $0.30 per 1M input tokens, making it 20% more affordable. Both are image generation models and share support for vision, function calling, prompt caching, structured output. ### How does gemini-3.1-flash-image-preview pricing compare to the average image generation model? gemini-3.1-flash-image-preview input pricing is $0.25 per 1M tokens, which is 87% below the median of $2.00 for image generation models. It ranks 11 out of 43 image generation models by input cost, making it cheaper than 72% of models in this category. For output, it costs $1.50 per 1M tokens compared to the median of $3.00. ### What makes gemini-3.1-flash-image-preview different from other Google Gemini models? Among Google Gemini's 7 image generation models, gemini-3.1-flash-image-preview ranks 2 by input cost. Its combination of prompt caching, structured output, vision, web search is shared by only 8 other image generation models. ### What are the best alternatives to gemini-3.1-flash-image-preview? The most comparable image generation models to gemini-3.1-flash-image-preview are: gemini-2.5-flash-image from Vertex AI ($0.30/1M input tokens); gemini-3.1-flash-image-preview from Vertex AI ($0.50/1M input tokens); gemini-3-pro-image-preview from Vertex AI ($2.00/1M input tokens); deep-research-pro-preview-12-2025 from Vertex AI ($2.00/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library. ### How do I calculate gemini-3.1-flash-image-preview costs? gemini-3.1-flash-image-preview is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.25 and generating 1M output tokens costs $1.50. ## Related Resources - [Google Gemini models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/gemini.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.1-flash-image-preview](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.1-flash-image-preview) for AI/LLM consumption.*